HCPCS Q4316: Wound graftMedicare rate & RVUs in Oregon
Reports Amchoplast wound graft material by square centimeter when supplied for a skin substitute graft application during outpatient wound care.
Medicare pays $126.75–$141.38 for Q4316 in the office in Oregon, from Rest Of Oregon to Portland. Which amount applies depends on the service address.
Medicare allowed amount for participating (non-QP) physicians, before deductible, coinsurance and claim adjustments. Not a patient’s bill or a hospital charge.
On this page 9 sections
What Q4316 covers
Q4316 identifies the Amchoplast product supplied for wound treatment, measured by the square centimeter. It is generally reported by a physician or other qualified practitioner treating wounds in an outpatient wound-care setting, alongside the procedure that applies the graft. The HCPCS product code identifies the specific material; it is not interchangeable with another graft product code simply because both are used in wound care.
Report units based on the Amchoplast quantity used, and document the product, treated wound, and amount applied. This is an add-on code: it must accompany a primary procedure and is paid within that procedure’s global period, rather than billed by itself. CMS classifies Q4316 as technical-component-only; a separate code covers interpretation. Skin substitute application procedures such as 15271, 15273, 15275, or 15277 may be the primary service, selected according to wound location and area.
This summary was written with AI assistance from CMS physician fee schedule data and checked against the CMS billing rules shown here. Rates on this page come directly from CMS files.
Where Q4316 pays more and less in Oregon
| Payment locality | Office | Facility |
|---|---|---|
| Portland | $141.38 | Unavailable |
| Rest Of Oregon | $126.75 | Unavailable |
How the Q4316 rate is calculated
Each of Q4316’s three RVUs is multiplied by a geographic index (GPCI) for the payment locality, added up, and multiplied by the conversion factor. Drag the indexes or enter a ZIP to see what moves the rate.
How the rate is built · Q4316
RVUs × geographic indexes × conversion factor
Swap in your local Medicare rate.
Work 0.00Practice expense 3.81Malpractice 0.00
All indexes start at 1.000 (the national rate). Enter a ZIP or drag a slider.
Payment rules and modifiers for Q4316
The CMS indicators that decide how Q4316 is paid alongside other services.
CMS payment indicators · Q4316
Wound graft
| Rule | CMS value | What it means |
|---|---|---|
| Global period | ZZZ | Add-on code: falls within the primary procedure’s global period. |
| Multiple procedures | 0 | No multiple-procedure reduction. |
| Bilateral (modifier 50) | 0 | The 150% bilateral adjustment doesn’t apply. |
| Assistant at surgery (80/81/82/AS) | 0 | Not paid without supporting documentation. |
| Co-surgeons (62) | 0 | Not permitted. |
| Team surgery (66) | 0 | Not permitted. |
| Professional/technical | 3 | Technical component only. |
Q4316 compared with similar codes
Compare codes
Q4316 vs 15271 vs 15273 vs Q4317: national Medicare rates
Swap in your local Medicare rate.
How to choose
- 15271Skin substitute graft
- 15271 reports the skin substitute application procedure for qualifying trunk, arm, or leg wounds; Q4316 reports the Amchoplast product used with a primary procedure.
- 15273Skin substitute graft
- 15273 is an application procedure for larger qualifying trunk, arm, or leg wounds. It does not identify the Amchoplast supply.
- Q4317Vitograft
- Q4317 identifies Vitograft by square centimeter, while Q4316 identifies Amchoplast. Select the product code that matches the material supplied.
Q4316 billing questions
How is Q4316 different from a skin substitute application code?
Q4316 reports the Amchoplast product by square centimeter. Codes such as 15271 report the application procedure, with the applicable code determined by wound location and area.
Can Q4316 be billed by itself?
No. CMS identifies it as an add-on code that must be billed with a primary procedure and is paid within that procedure’s global period.
How should units be determined?
Use the square centimeters of Amchoplast supplied for the wound treatment. The record should support the product used and the amount applied.
What documentation supports reporting Q4316?
Document that Amchoplast was used, the wound treated, the quantity applied, and the related application procedure.
Does Q4316 include interpretation?
CMS classifies Q4316 as technical-component-only; a separate code covers interpretation.
Where these rates come from
FeeBase calculates base physician payments from CMS work, practice-expense and malpractice RVUs, adjusted by each locality’s geographic indexes and the conversion factor. Services without a published rate are labeled, never given a made-up amount. Amounts are Medicare allowed amounts before claim adjustments: not a patient’s bill or a commercial rate.
CMS RVU26D · effective Oct 1, 2026 through the day before Jan 1, 2027
Show the CMS file lines behind this rate
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